package com.fengzai.demo.facade;

/**
 * @PACKAGE_NAME: com.fengzai.demo.facade
 * @author: rhf
 * @ProjectName: netty
 * @DATE: 2021/11/4
 **/
public interface HelloFacade {
    void sayHello1();

    void sayHello2(String x);

    String sayHello3();

    String sayHello4(String x);

}
